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Scanning electron microscopy (SEM) of the morphology of chitosan/silk fibroin (CHT/SF) microparticles loaded with recombinant human parathyroid hormone (rhPTH). (A) Scanning electron microscopy (SEM) of the morphology of chitosan/silk fibroin (CHT/SF) microparticles loaded with recombinant human parathyroid hormone (rhPTH). (B) SEM of the chitosan/silk fibroin (CHT/SF) microparticles loaded formulation after treatment with blood plasma and without particle aggregation.
